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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?

... approach will use the actual boolean type (and resolve to true and false) if the compiler supports it. (specifically, C++) However, it would be better to check whether C++ is in use (via the __cplusplus macro) and actually use true and false. In a C compiler, this is equivalent to 0 and 1. (note ...
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Finding all possible combinations of numbers to reach a given sum

...subset_sum(numbers, target, partial=[]): s = sum(partial) # check if the partial sum is equals to target if s == target: print "sum(%s)=%s" % (partial, target) if s >= target: return # if we reach the number why bother to continue for i in range(len(numbers...
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Cannot truncate table because it is being referenced by a FOREIGN KEY constraint?

Using MSSQL2005, can I truncate a table with a foreign key constraint if I first truncate the child table (the table with the primary key of the FK relationship)? ...
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If vs. Switch Speed

Switch statements are typically faster than equivalent if-else-if statements (as e.g. descibed in this article ) due to compiler optimizations. ...
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How to determine equality for two JavaScript objects?

A strict equality operator will tell you if two object types are equal. However, is there a way to tell if two objects are equal, much like the hash code value in Java? ...
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网

...态处理 when UrsPahoMqttClient1.ConnectionStateChanged newState do if newState = 1 then // 连接成功 set CurrentRetry to 0 set Label_ConnectionStatus.Text to "已连接 - 在线" set Label_ConnectionStatus.TextColor to Green call subscribeToAllTopics ...
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Is it possible to use 'else' in a list comprehension? [duplicate]

... The syntax a if b else c is a ternary operator in Python that evaluates to a if the condition b is true - otherwise, it evaluates to c. It can be used in comprehension statements: >>> [a if a else 2 for a in [0,1,0,3]] [2, 1, 2,...
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Returning a boolean from a Bash function

I want to write a bash function that check if a file has certain properties and returns true or false. Then I can use it in my scripts in the "if". But what should I return? ...
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Test if number is odd or even

What is the simplest most basic way to find out if a number/variable is odd or even in PHP? Is it something to do with mod? ...
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MDI CDockablePane使用总结 - C/C++ - 清泛网 - 专注C/C++及内核技术

...: CMFCPopupMenu::SetForceMenuFocus(FALSE); InitUserToolbars(NULL, uiFirstUserToolBarId, uiLastUserToolBarId); EnablePaneMenu(TRUE, ID_VIEW_CUSTOMIZE, 0, ID_VIEW_TOOLBAR); CDockingManager::SetDockingMode(DT_SMART); EnableAutoHidePanes(CBRS_ALIGN_ANY); EnableDocking(CBRS_ALIGN_ANY); (...